Furthermore, your miner status page (assuming you do use a proper miner and software) would report what's called stale shares, that's the most accurate way to read latency between your miner and the pool, A high stale rate means there is a quiet large delay in the communication between the miner and the pool, there is no universal figure of what is accepted, but I'd say anything below 1% between stale and rejected suggest that your overall mining operation is good and you shouldn't worry, if it goes above that, there is certainly something wrong somewhere.